Six-wheel-car-truck brake.



C. T. WESTLAKB.

SIX WHEEL OAR TRUCK BRAKE.

APPLIOATION FILED Amm, 19m.

.1,107,637, Patented Aug.18,1914,

4 Iwww? Charles Z Wis/Zalig GHARLS T. WESTLAKE, OF ST. LOUIS, M

STEEL COMPANY, F ST. LOUIS, MISS() URI, A. CORPORATION OF NEW J ramena*onirica.,

ISSOURI, ASSIGNOR TO COMMONWEALTH SIX-WHEEL-CAR-TRUC'K BRAKE.

To all vwhom it may concern Beit known that I, Cimnmcs T. YV ns1 LAKE, acitizen of the United States, residing;l at' the city of St. Louis,State oi-Missouri, have invented a certain new and useful Improvement inSix-Vheel-Car-lruck Brakes, of which'the following is a full, clear, andexact description, such as will enable others skilled in the art towhich it appertains to make and use the same, reference being had to theaccompanying drawings, forming,r part of this specification, in which-Figure 1 is a side elevational view ol my improved'brake'rigging withparts of the brake beams shown 1n section` Fig. 2 is a plan view ot thebrake rigging.

My invention relates to new and uselul improvements in lbrake riggingforsix wheel car trucks, the principal object ot' my 1nvention heilig toprovide a simple and eilicient brake mechanism havingr compara tivelyfew parts, and which mechanism is of the inside hungr type.

A further object of my invention is to provide a simple form of sixwheel brake mechanism, which, while capable o'f being;y utilized onvarious forms of six wheel trucks, is particularly adapted for use inconnection with six wheel trucks having :frames of the type shown inPatent No. 1,068,529, issued July 29,1913.

Vith the above. and other objects in view,

my invention consists in certain novel features of construction andarrangement of parts, hereinafter more fully described and claimed. Inthe drawingsl I have illustrated in dot ted .lines a six wheel truckhaving;` a one piece frame similar to the frame disclosed in the patentabove mentioned, and which frame comprises wheel 'pieces 10 and transoms11.

Formed integral with or ixed to one of the transoms a bracketlQ andpivotally connected thereto is a brake lever 13. The pivot point of thislever is at a suitable point between its ends or extremities, and thelower end of this lever is pivotally connected to a part of the centerbrake beam 14, preferably the strut thereof. The brake shoes 14 carriedby this center beam are adapted to engage the peripheries of the wheelson the center axle ol the truck.

Pivotally connected to the upper end of 55 lever 13 is one end of acompression member Specification of Letters Patent.

Application filed April 21, 1914.

responding end of compression member 18.

Patented Ang. 1,8, 1911/11. Serial No. 833,445.

15, preferably a rod, the same a point beyond the transom l1 oppositethe one to which the lever 13 is iivotally connei-ted, and pivotallyconuecteh to the outer end of said compression member is the upper endof a brake l'evcr 16. This lever 1G is pivotally connected at a pointintermediate its ends to a part of a brake beam 1T, pre lerably thestrut thereof, and th lower end of said lever 16 is pivotally connectedto one end oli' a compression member 18, preferably a rod. The brakebeam 17 is inside hung, that is, said beam is arranged so that its shoesengage the inner portions of the peripheries ofv the corre spondingwheels.

, An inside hung beam 1S) is arran edso that its slices engragc'thewheels at t 1e op posite end of the truck, and pivotally connected to apart of" this brake beam, preterably the strut thereof, is a lever 20.The pivot point of this lever is ai a point intermediate its ends, andpivotally connected to the lower end of said lever is tlie'corllextending' to Pivotally connected to the upper end oi lever 2() is atension member 21, preferably a rod which is associated with the brakeactuatingr mechanism on the car body.

The operation oli my iinprovcd brake will be readily understmal from aninspection of the drawings, wherein arrows indicate the direction oi.Emowmcnt ol' the parts 15, 18 and 21 when the latter part is actuated toset the brakes. lV hen rod 21 .is moved to set the brakes, the levers 2Oand 1G will swing upon their fulcrums, and likewise the lever 13 will beswung upon itsfulcrum which is the bracket 1Q, and simultaneously allthe brake beams will be moved so as to bring the brake shoes intofrictional engagement with the pcripheries of the wheels.

A 'six wheel brake of my improved construction is composed ol5 but lewparts, can be readily assembled and combined with six wheel trucks,particularly those wherein one piece truck frames are utilized, and saidbrake possesses superior advantages in point of simplicity, durability,and general elliciency. 105

It will be readily understood that minor changes in the size, .form andconstruction of the various parts of my improved brake can be made andsubstituted for those here in shown and described, without departingsie:

from the'spirit. of my' invention, the scope of which is set forth inthe appended claims.

ll claim: Y

l. ln, a brake for six Wheel trucks, a lever having a pivot pointbetween its extremities, a brake beam pivotally connected to one of theextremities of said lever, a compression member pivotally connected atone endJ to the other extremity of said lever, a-second lever which ispivotally connected at one extremity to the other end of saidcompression member, a second brake beam pivotally connected to thesecond lever between the extremities thereof, a compression memberpivotally connected at one extremity to the other extremity of saidsecond lever, a third lever to which is pivotally connected at oneextremity the other end of said last mentioned compression member, athird brake beam pivotally connected to the third lever between itsextremities, and means connected to said third lever for actuating thesame and the parts cooperating therewith.

2. In a brake tor six wheel trucks, a dead lever fulcrumed between itsextremities to a convenient part of the truck, a brake beam pivotallyconnected to one extremity of said dead lever, a compression memberpivotally connected at one end to the other extremity of said deadlever, a Floating lever to which is pivotally` connected at oneextremity the other end ot said compression member', a

momes? second brake beam pivotally connected to said oating leverbetween the extremities thereof, a compression member pivotallyconnected at one end to the other extremity of said floating lever, alive lever to Which is pivotally connected at one extremity the otherend of said compression member, a third brake beam pivotally connectedto said live lever between the extremities thereof, and means foractuating the other extremity of said live leverl from the brakemechanism of the car body.

3. The combination With a six wheel truck and its inside hung brakebeams, of a lever pivotally `connected to the center beam, which leveris pivotally mounted on a fixed party of the truck, lioating leverspivotally ,connected to the outside beams, a compression memberconnecting corresponding ex tremities ot' the floating levers, acompression member connecting the first mentioned lever with one of thefloating levers,.and means connected to the other one of the floatinglevers for actuating the same and the parts coperating thereyvith.

In testimony whereof I hereunto affix my signature in the presence oftwo witnesses, this 23rd day of March, 1914.

CHARLES T. WESTLAKE.

Witnesses v HAL C. BnLLvlLLE, B. E. Kennt..

